| Literature DB >> 7683852 |
P P Litam1, H D Friedman, T P Loughran.
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Year: 1993 PMID: 7683852 DOI: 10.7326/0003-4819-118-12-199306150-00007
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391